Permanent antibacterial, mildew-proof, non-toxic and harmless PP (polypropylene) material and preparation method thereof

Abstract

The invention discloses a permanent antibacterial, mildew-proof, non-toxic and harmless PP (polypropylene) material and a preparation method thereof. The permanent antibacterial, mildew-proof, non-toxic and harmless PP material is prepared from PP, a zeolite silver ion antibacterial agent, an air purification material adopting a titanium dioxide photocatalyst as a base material, an antioxidant, ananti-ultraviolet auxiliary and a dispersant by mixing, wherein the dispersant is Dow Corning active siloxane powder with model being RM4-7081. The new active siloxane powder is adopted as the dispersant, so that the antibacterial powder is more easily enriched to the surface of a carrier and firmly controlled in carrier resin without migration, long-term bio-safety stability is kept, contact areabetween the antibacterial agent and microorganisms is greatly increased, and antibacterial and deodorization efficiency of the antibacterial agent and permanency of the antibacterial agent in the carrier resin are further enhanced. The material has higher antibacterial efficiency and bio-safety, better processability, smoother surface and better mechanical properties and is really non-toxic and harmless.

Description

technical field

[0001] The invention belongs to the technical field of materials, and in particular relates to a permanent antibacterial, mildewproof, nontoxic and harmless polypropylene material and a preparation method thereof. Background technique

[0002] With the improvement of people's living standards, clothing and daily necessities, food packaging materials and various medical and sanitary materials are more healthy and harmless, which has become the current development trend. While using beneficial microorganisms, people are also very vigilant against the harm of pathogenic microorganisms. The new antibacterial concept is increasingly becoming a hot topic. Many manufacturers of clothing and daily necessities, food packaging materials and various medical and sanitary materials have developed a variety of antibacterial products to meet the needs of people to improve their quality of life and health.

[0003] Silver has a long history of successful use in medicine and...

Examples

Embodiment 1

[0036] (1) First dry 0.22 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.12 parts of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C After 2 hours, put the dried two substances into a high-speed mixer, add 0.17 parts by weight of new active siloxane powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.

[0037] (2) Add 98.81 parts of copolymerized polypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV-P into the high-speed mixer, blend for 5 minutes, and stir Uniform, get B material.

[0038] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pellet...

Embodiment 2

[0040] (1) First dry 0.24 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.15 parts of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C After 2 hours, put the dried two substances into a high-speed mixer, add 0.19 parts by weight of new active silicone powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.

[0041] (2) Add 98.72 parts of homopolypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV‐P into the high-speed mixer, and blend for 5 minutes. Stir evenly to obtain material B.

[0042] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pelletizing ...

Embodiment 3

[0044] (1) First dry 0.2 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.1 part of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C Standby for 2 hours, then put the dried two substances into a high-speed mixer, add 0.16 parts by weight of new active siloxane powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.

[0045] (2) Add 98.84 parts of homopolypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV-P into the high-speed mixer, and blend for 5 minutes. Stir evenly to obtain material B.

[0046] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pell...

technical field

[0001] The invention belongs to the technical field of materials, and in particular relates to a permanent antibacterial, mildewproof, nontoxic and harmless polypropylene material and a preparation method thereof. Background technique

[0002] With the improvement of people's living standards, clothing and daily necessities, food packaging materials and various medical and sanitary materials are more healthy and harmless, which has become the current development trend. While using beneficial microorganisms, people are also very vigilant against the harm of pathogenic microorganisms. The new antibacterial concept is increasingly becoming a hot topic. Many manufacturers of clothing and daily necessities, food packaging materials and various medical and sanitary materials have developed a variety of antibacterial products to meet the needs of people to improve their quality of life and health.

[0003] Silver has a long history of successful use in medicine and...

Examples

Embodiment 1

[0036] (1) First dry 0.22 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.12 parts of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C After 2 hours, put the dried two substances into a high-speed mixer, add 0.17 parts by weight of new active siloxane powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.

[0037] (2) Add 98.81 parts of copolymerized polypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV-P into the high-speed mixer, blend for 5 minutes, and stir Uniform, get B material.

[0038] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pellet...

Embodiment 2

[0040] (1) First dry 0.24 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.15 parts of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C After 2 hours, put the dried two substances into a high-speed mixer, add 0.19 parts by weight of new active silicone powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.

[0041] (2) Add 98.72 parts of homopolypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV‐P into the high-speed mixer, and blend for 5 minutes. Stir evenly to obtain material B.

[0042] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pelletizing ...

Embodiment 3

[0044] (1) First dry 0.2 parts of zeolite silver ion antibacterial agent (IM10D-L) and 0.1 part of air purification material based on titanium dioxide photocatalyst (from Chinese invention patent example 1, patent number 201610066352.6) at 90 °C Standby for 2 hours, then put the dried two substances into a high-speed mixer, add 0.16 parts by weight of new active siloxane powder, control the temperature at 100° C., and process for 30 minutes to obtain material A.

[0045] (2) Add 98.84 parts of homopolypropylene, 0.4 parts of antioxidant (1010:168:330=0.2:0.1:0.1), 0.3 parts of anti-ultraviolet additive UV-P into the high-speed mixer, and blend for 5 minutes. Stir evenly to obtain material B.

[0046] (3) Add material B from the main feeding port of the twin-screw extruder, add material A from the side feeding port of the twin-screw extruder, and pass through the temperature of 130-180°C in the twin-screw extruder Melting and kneading, water-cooled strands, air-drying and pell...

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